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regolith-linux / regolith-desktop

Meta package for the Regolith Desktop Environment
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Visual studio code flicker when in full screen mode on HDPI display #190

Closed mislavzlatar closed 4 years ago

mislavzlatar commented 4 years ago

Hello,

If I put VS Code in full screen mode with MOD+F it flickers when I hover over files. It works ok if not in full screen mode and it works ok in Ubuntu without Regolith.

I cant capture flicker in screen record but it looks like that gray flash at the begining of attached gif and it flashes on each hover over files in file explorer side window.

PC: Dell XPS 13 9360 i7 7500U Display: 3200x1800 OS: Ubuntu 19.10

Thanks,

Mislav

Peek 2020-01-03 18-20

kgilmer commented 4 years ago

Hi @mislavzlatar , I have this issue too. It is related to the compositor compton (AKA picom). If I kill compton, I do not see the issue. If I use another compositor such as xcompmgr, I do not see the issue. You may want to create an issue with picom, or try building latest to see if that resolves the issue. From reading the release notes, I don't see anything that's changed that would fix this issue but you never know for certain.

Regolith 1.3 will include a feature called pluggable compositors which will make it easy to swap out various compositor backends and configurations. Until that's available (as a quick fix) I suggest you comment out the exec line in your i3 config file that loads compton, and log back in.

mislavzlatar commented 4 years ago

Hi @kgilmer ,

Thanks for sharing that tip. It works if I comment out compton, but on desktop and control center mouse cursor is scaled down and on VSCode, Firefox scale cursor is ok. And bottom regolith bar is also scaled down.

Is there any workaround?

Thanks,

Mislav

kgilmer commented 4 years ago

Hi @mislavzlatar , setting your DPI via Xresources has resolved this for others in in the past. Have a look at https://computingforgeeks.com/how-to-set-correct-screen-dpi-in-linux-xresources/.

mislavzlatar commented 4 years ago

Thank you very much @kgilmer ! It's ok now,

Mislav

mislavzlatar commented 4 years ago

Hey @kgilmer,

It still flickers on Regolith 1.3. Could you please provide some tips or example how to switch to something that works on HDPI like you said xcompmgr?

Thanks,

Mislav

mislavzlatar commented 4 years ago

Hey @kgilmer , Nvm last question, setting unredir-if-possible to false inside /etc/regolith/compton/config fixed my issue with VSCode flicker.

Thanks,

Mislav

kgilmer commented 4 years ago

Indeed it does fix the issue! I will update the config, thanks for letting me know @mislavzlatar :smile:

mislavzlatar commented 4 years ago

Glad I could help :)